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Enhanced sulfur dioxide electrooxidation performance on a modified XC-72 carbon catalyst
Zhao, Qing1,2; Hou, Ming1; Jiang, Shangfeng1,2; Ai, Jun1; Zheng, Limin1; Shao, Zhigang1
关键词Modified Xc-72 Pyridinic n So2 Electrooxidation Pyrolysis Optimized Pore Structure
刊名JOURNAL OF SOLID STATE ELECTROCHEMISTRY
2017-11-01
DOI10.1007/s10008-017-3633-0
21期:11页:3113-3120
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]MEMBRANE FUEL-CELLS ; ACIDIC MEDIA ; ELECTROCHEMICAL-BEHAVIOR ; SO2 ADSORPTION ; AQUEOUS SO2 ; HYDROGEN-PRODUCTION ; ACTIVATED CARBONS ; GOLD ELECTRODES ; OXIDATION ; ELECTROCATALYSTS
英文摘要Vulcan XC-72 is a carbon catalyst that is widely used in electrochemistry. The electrooxidation of SO2 plays a significant role in the domain of environmental protection. In this work, successive thermal and pyrolytic processes were applied to Vulcan XC-72 in order to obtain a modified catalyst that promotes SO2 electrooxidation to a much greater degree than Vulcan XC-72 does. The preparation of this modified XC-72 involved three steps: doping, pore creation, and carbonization. These modification processes were shown to greatly increase the catalytic activity of the modified XC-72 during SO2 electrooxidation. The catalytic performance of the modified XC-72 towards SO2 electrooxidation was characterized via linear sweep voltammograms and cyclic voltammograms; the results showed that the onset potential and the E (imax/2) obtained with the modified XC-72 were 60 mV and 128 mV lower, respectively, than attained with Vulcan XC-72. The structural and physical properties of the modified XC-72 were characterized using TEM, XPS, and BET. The increased surface area and optimized pore structure of the modified XC-72, as well as the presence of pyridinic N constituents in this material, are believed to contribute to its enhanced capacity to catalyze the electrooxidation of SO2.
语种英语
WOS记录号WOS:000413763100005
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149769
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
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Zhao, Qing,Hou, Ming,Jiang, Shangfeng,et al. Enhanced sulfur dioxide electrooxidation performance on a modified XC-72 carbon catalyst[J]. JOURNAL OF SOLID STATE ELECTROCHEMISTRY,2017,21(11):3113-3120.
APA Zhao, Qing,Hou, Ming,Jiang, Shangfeng,Ai, Jun,Zheng, Limin,&Shao, Zhigang.(2017).Enhanced sulfur dioxide electrooxidation performance on a modified XC-72 carbon catalyst.JOURNAL OF SOLID STATE ELECTROCHEMISTRY,21(11),3113-3120.
MLA Zhao, Qing,et al."Enhanced sulfur dioxide electrooxidation performance on a modified XC-72 carbon catalyst".JOURNAL OF SOLID STATE ELECTROCHEMISTRY 21.11(2017):3113-3120.
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